Arched Island Weather Forecast

    • 10
    • 20

    Cloudy

    • 12
    • 20

    Partly cloudy

    • 11
    • 25

    Mostly sunny

    • 14
    • 24

    Shower or two

    • 12
    • 22

    Possible shower

    • 10
    • 17

    Shower or two

    • 9
    • 18

    Cloudy

Today 29 Mar South East

Cloudy. Slight chance of a shower in the far south, near zero chance elsewhere. Winds westerly 15 to 25 km/h.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Westerly 20 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Cloudy.
Weather Situation
A ridge of high pressure will linger over Tasmania this evening before moving out to the Tasman Sea by late Monday. A northwesterly airstream will develop over the state on Tuesday as a low-pressure system and associated cold front approach from the west, with the front forecast to cross on Wednesday. A second, stronger cold front is then forecast to cross late Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Arched Island Temperature Statistics View More

March Temperature

Cape Bruny (16km)

  • Lowest 13 March, 2026

    8.2 °C

  • Average March

    14.9 °C

  • Highest 22 March, 2026

    25.7 °C

Climate (2021–Present)

Cape Bruny (16km)

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  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    12.4 °C

  • Average High 2021–2026

    16.5 °C
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